669669481004 has 18 divisors (see below), whose sum is σ = 1244913250140. Its totient is φ = 315138578752.

The previous prime is 669669480979. The next prime is 669669481037. The reversal of 669669481004 is 400184966966.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 289648274 + ... + 289650585.

It is an arithmetic number, because the mean of its divisors is an integer number (69161847230).

Almost surely, 2^669669481004 is an apocalyptic number.

It is an amenable number.

669669481004 is a deficient number, since it is larger than the sum of its proper divisors (575243769136).

669669481004 is a wasteful number, since it uses less digits than its factorization.

669669481004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579298897 (or 579298878 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 59.

The spelling of 669669481004 in words is "six hundred sixty-nine billion, six hundred sixty-nine million, four hundred eighty-one thousand, four".